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WO2015085477A1 - Synchronisation souple de harq - Google Patents

Synchronisation souple de harq Download PDF

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Publication number
WO2015085477A1
WO2015085477A1 PCT/CN2013/088938 CN2013088938W WO2015085477A1 WO 2015085477 A1 WO2015085477 A1 WO 2015085477A1 CN 2013088938 W CN2013088938 W CN 2013088938W WO 2015085477 A1 WO2015085477 A1 WO 2015085477A1
Authority
WO
WIPO (PCT)
Prior art keywords
subframe
bits
bundle window
configuration
indication
Prior art date
Application number
PCT/CN2013/088938
Other languages
English (en)
Inventor
Haipeng Lei
Original Assignee
Nokia Technologies Oy
Nokia (China) Investment Co., Ltd.
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Nokia Technologies Oy, Nokia (China) Investment Co., Ltd. filed Critical Nokia Technologies Oy
Priority to PCT/CN2013/088938 priority Critical patent/WO2015085477A1/fr
Publication of WO2015085477A1 publication Critical patent/WO2015085477A1/fr

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/12—Arrangements for detecting or preventing errors in the information received by using return channel
    • H04L1/16—Arrangements for detecting or preventing errors in the information received by using return channel in which the return channel carries supervisory signals, e.g. repetition request signals
    • H04L1/18—Automatic repetition systems, e.g. Van Duuren systems
    • H04L1/1829—Arrangements specially adapted for the receiver end
    • H04L1/1854—Scheduling and prioritising arrangements
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/12—Arrangements for detecting or preventing errors in the information received by using return channel
    • H04L1/16—Arrangements for detecting or preventing errors in the information received by using return channel in which the return channel carries supervisory signals, e.g. repetition request signals
    • H04L1/18—Automatic repetition systems, e.g. Van Duuren systems
    • H04L1/1829—Arrangements specially adapted for the receiver end
    • H04L1/1861—Physical mapping arrangements
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/003—Arrangements for allocating sub-channels of the transmission path
    • H04L5/0053—Allocation of signalling, i.e. of overhead other than pilot signals
    • H04L5/0055—Physical resource allocation for ACK/NACK
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/14—Two-way operation using the same type of signal, i.e. duplex
    • H04L5/1469—Two-way operation using the same type of signal, i.e. duplex using time-sharing

Definitions

  • the exemplary and non-limiting embodiments relate generally to wireless communication and, more particularly, to interface management and traffic adaptation .
  • a method comprises associating at least one bundle window index with at least one respective subframe of an uplink- downlink (UL-DL) configuration; and transmitting, for each respective at least one subframe, an ACK/NACK (A/N) indication and an indication of the at least one respective bundle window index.
  • UL-DL uplink- downlink
  • A/N ACK/NACK
  • an apparatus comprises at least one processor; and at least one non- transitory memory including computer program code, the at least one memory and the computer program code configured to, with the at least one processor, cause the apparatus at least to associate at least one bundle window index with at least one respective subframe of an uplink- downlink (UL-DL) configuration; and transmit, for each respective at least one subframe, an ACK/NACK (A/N) indication and an indication of the at least one respective bundle window index.
  • UL-DL uplink- downlink
  • a non- transitory program storage device readable by a machine, tangibly embodying a program of instructions executable by the machine for performing operations, the operations comprising associating at least one bundle window index with at least one respective subframe of an uplink- downlink (UL-DL) configuration; and transmitting, for each respective at least one subframe, a ACK/NACK (A/N) indication and an indication of the at least one respective bundle window index.
  • UL-DL uplink- downlink
  • A/N ACK/NACK
  • an apparatus comprises means for associating at least one bundle window index with at least one respective subframe of an uplink-downlink (UL-DL) configuration; and means for transmitting, for each respective at least one subframe, a ACK/NACK (A/N) indication and an indication of the at least one respective bundle window index.
  • FIG. 1 is a diagram illustrating an example wireless communication system
  • FIG. 2 is a schematic diagram illustrating some of the components of the system shown in Fig. 1;
  • Fig. 3 is a chart of downlink allocations for various UL-DL configurations of one example;
  • Fig. 4 is a chart of UL-DL configurations of one example;
  • Fig. 5 is a diagram illustrating a DL HARQ timing problem
  • Fig. 6 is a diagram illustrating use of UL-DL configuration 5 as a DL reference configuration
  • Fig. 7 is a diagram illustrating use of a flexible HARQ timing
  • Fig. 8 is a chart illustrating bundle window indexes using two bits for an example UL-DL configuration
  • Fig. 9A is a diagram illustrating an example method
  • Fig. 9B is a diagram illustrating an example method
  • FIG. 10 is a flow chart illustrating aspects of the example methods shown in Fig. 9A and 9B;
  • Fig. 11 is a flow chart illustrating aspects of the example method shown in Fig. 9A; and [0021] Fig. 12 is a flow chart illustrating aspects of the example method shown in Fig. 9B.
  • FIG. 1 there is shown a diagram of a communication system 2 incorporating features of an example embodiment.
  • a diagram of a communication system 2 incorporating features of an example embodiment.
  • the communication system 2 generally comprises a User Equipment (UE) 10 and a wireless network 1.
  • the wireless network 1 comprises a base station 12, such as a E-UTRAN Node B, also known as Evolved Node B, (abbreviated as eNodeB or eNB) , for example.
  • the eNB forms a cell 16.
  • the UE 10 is able to communicate with the eNB 12 by a wireless link 11 with uplinks (UL) 11A and downlinks (DL) 11B.
  • the UE 10 includes a controller, such as a computer or a data processor (DP) 10A, a computer- readable memory medium embodied as a memory (MEM) 10B that stores a program of computer instructions (PROG) IOC, and a suitable radio frequency (RF) transmitter and receiver 10D for bidirectional wireless communications with the eNB 12 via one or more antennas.
  • the eNB 12 also includes a controller, such as a computer or a data processor (DP) 12A, a computer-readable memory medium embodied as a memory (MEM) 12B that stores a program of computer instructions (PROG) 12C, and a suitable RF transmitter and receiver 12D for communication with the UE 10 via one or more antennas.
  • DP computer or a data processor
  • PROG program of computer instructions
  • RF radio frequency
  • the eNB 12 is coupled via a data/control path 13 to the Network Control Element (NCE) or gateway 14.
  • the NCE 14 comprises a processor 14A, memory 14B and software 14C.
  • the NCE 14 may be connected to other network (s) and/or the Internet as shown in Fig. 2.
  • the path 13 may be implemented as the SI interface in the case the network 1 is a LTE network.
  • the eNB 12 may also be coupled to another eNB via data/control path 15, which may be implemented as the X2 interface in the case the network 1 is a LTE network.
  • At least one of the PROGs IOC and 12C is assumed to include program instructions that, when executed by the associated DP, enable the device to operate in accordance with the exemplary embodiments of this invention as was detailed by non-limiting example above with respect to Figs. 1 and 2. That is, the exemplary embodiments of this invention may be implemented at least in part by computer software executable by the DP 10A of the UE 10 and/or by the DP 12A of the eNB 12, or by hardware, or by a combination of software and hardware (and firmware) .
  • the various embodiments of the UE 10 can include, but are not limited to, cellular telephones, personal digital assistants (PDAs) having wireless communication capabilities, portable computers having wireless communication capabilities, image capture devices such as digital cameras having wireless communication capabilities, gaming devices having wireless communication capabilities, music storage and playback appliances having wireless communication capabilities, Internet appliances permitting wireless Internet access and browsing, as well as portable units or terminals that incorporate combinations of such functions .
  • PDAs personal digital assistants
  • portable computers having wireless communication capabilities
  • image capture devices such as digital cameras having wireless communication capabilities
  • gaming devices having wireless communication capabilities
  • music storage and playback appliances having wireless communication capabilities
  • Internet appliances permitting wireless Internet access and browsing, as well as portable units or terminals that incorporate combinations of such functions .
  • the computer readable MEMs 10B and 12B may be of any type suitable to the local technical environment and may be implemented using any suitable data storage technology, such as semiconductor based memory devices, flash memory, magnetic memory devices and systems, optical memory devices and systems, fixed memory and removable memory.
  • the DPs 10A and 12A may be of any type suitable to the local technical environment, and may include one or more of general purpose computers, special purpose computers, microprocessors, digital signal processors (DSPs) and processors based on a multicore processor architecture, as non-limiting examples.
  • the various DPs 10A, 12A may implemented as one or more processors/chips, either or both of the UE 10 and the eNB 12 may include more than one transmitter and/or receiver 10D, 12D, and particularly the eNB 12 may have its antennas mounted remotely from the other components of the eNB 12, such as for example tower-mounted antennas .
  • features as described herein may be used with 3GPP LTE-Advanced technology Rel-12 and beyond. More specifically, features as described herein may be used on LTE TDD enhancement for DL-UL Interference Management and Traffic Adaptation (TDD_eIMTA) and its continuation.
  • TDD_eIMTA DL-UL Interference Management and Traffic Adaptation
  • DL HARQ reference configuration can choose from Rel-8 TDD UL-DL configurations ⁇ 2, 4, 5 ⁇ [ 0032 ]
  • the concrete HARQ timing and A/N generation are specified in LTE TS 36.213 and listed in
  • Fig. 3 Downlink association set index K : f or TDD.
  • the UE shall, upon detection of a PDSCH transmission or a PDCCH indicating downlink SPS release within subframe(s) n-k , where keK and K as defined in Fig. 3 intended for the UE and for which ACK/NACK response shall be provided, transmit the ACK/NACK response in UL subframe n.
  • keK and K as defined in Fig. 3 intended for the UE and for which ACK/NACK response shall be provided.
  • TDD ACK/NACK bundling is performed per codeword across M multiple DL subframes associated with a single UL subframe n, where M is the number of elements in the set K defined in Fig.
  • LTE TDD allows for asymmetric UL-DL allocations by providing seven different semi-statically configured TDD UL-DL configurations shown in Fig. 4. These allocations can provide between 40% and 90% DL subframes .
  • Current mechanism for adapting UL-DL allocation is based on the system information change procedure with a 640 ms period.
  • the concrete TDD UL/DL configuration is semi-statically informed by SIB-1 signaling.
  • SIB-1 SysteminformationBlockTypel
  • the UE cannot feed back the A/N in subframe 3, and needs to find another UL subframe to transmit A/N.
  • the resulting HARQ timing is changed.
  • a similar problem would occur with UL scheduling/HARQ timing.
  • the reference configuration approach is considered in TDD elMTA with RRC configurable reference configuration.
  • the UL-DL configuration with the most DL subframes is selected as the DL reference configuration for DL HARQ timing no matter which UL-DL configuration is actually used. As shown in Fig.
  • the UE in the case of TDD UL/DL configuration 5 being used as the DL reference configuration, if the UE receives PDSCH in the subframe set from subframe 9 of previous radio frame to subframe 8 of current radio frame, then it shall transmit corresponding A/N on PUCCH in UL subframe 2 in next radio frame according to currently specified LTE HARQ timing rules, which is plotted by the circle as shown in Fig. 6.
  • UL-DL configuration #5 being selected as DL reference configuration
  • the maximum number of aggregated carriers is limited to two (2) in the current specification. So, the DL peak data rate is limited greatly.
  • UL- DL configuration #5 will force HARQ-ACK bits corresponding to all DL transmissions to be transmitted on a single UL subframe, which will create an unbalanced PUCCH overhead.
  • only HARQ-ACK bundling and PUCCH format 3 can be supported for UL/DL configuration 5.
  • HARQ-ACK bundling will lead to unnecessary DL throughput loss while PUCCH format 3 may limit the coverage and not all UEs can support PUCCH format 3.
  • a small cell 16 e.g., Pico or Femto
  • the UE Upon detection of a PDSCH transmission or a PDCCH indicating downlink SPS release within subframe (s) n-k , where keK anc [ ⁇ j_ s defined in Fig. 3 intended for the UE and for which ACK/NACK response shall be provided, the UE is proposed to transmit the A/N bits with the information of corresponding bundle window in the first UL subframe with the subframe number equal or larger than n+4.
  • the bundle window index may identify bundling windows which have A/N feedback.
  • Two bits may be used to indicate the corresponding BWI which are processed and transmitted together with the uplink A/N bits.
  • the method may comprise four BWI bit representations comprising 00, 01, 10, 11 as shown in Fig. 8 for example. In the example described below in regard to UL-DL configuration 1, all four BWI representations (00, 01, 10, 11) are used. However, for other UL-DL configurations, such as UL-DL configurations 2, 3, 4 and 5 shown in Fig. 4 for example, less than all four BWI representations may be used. In the example below, the BWI representation is not used with UL-DL configuration 6 because UL-DL configuration 6 has more than four bundling windows.
  • This symbol may be transmitted on the PUCCH resource mapped by the lowest CCE index (nCCE) of the last received PDCCH used for transmission of the corresponding DCI assignment.
  • the corresponding two-bit BWI is used to map to one of four PUCCH resources derived by the lowest CCE index (nCCE) of each received PDCCH used for transmission of the corresponding DCI assignment. Then the modulated symbol may be transmitted on the
  • PUCCH resource mapped by channel selection PUCCH resource mapped by channel selection.
  • the corresponding A/N feedback can be transmitted timely after the detected PDSCH or PDCCH indicating the DL SPS release and avoid the introduction of larger RTT (round trip time) delay. In that sense, the benefit of dynamic TDD UL/DL reconfiguration is further improved.
  • the UE may explicitly indicate the change of TDD UL/DL configuration by physical layer signalling. So, the transmission direction of each subframe may be clearly known to the UE after detecting the reconfiguration DCI.
  • Fig. 7 illustrates the flexible HARQ timing for TDD. After detection of a PDSCH transmission or a PDCCH indicating downlink SPS release within subframe (s) n ⁇ k , where keK and K is defined in Fig. 3 from TS36.213 intended for the UE and for which the ACK/NACK response shall be provided, the UE may transmit A/N bits with the information of corresponding bundle window in the nearest available UL subframe after 4ms.
  • bundle window index (BWI) is introduced for the eNB to know the transmitted A/N bits corresponding to which bundle window.
  • BWI bundle window index
  • two bits are enough to indicate the corresponding BWI from 0 to 3 which are processed together with uplink A/N bits.
  • Configuration 6 is not a typical configuration, and Configuration 0 or 1 provide similar UL/DL resource to Configuration 6. Meanwhile, the eNB can restrict one bundle window so as to work properly.
  • Fig. 8 One example illustrating a bundle window index using 2 bits is shown in Fig. 8 for TDD UL/DL configuration 1.
  • Configuration 1 has four bundle windows (subframes 2, 3, 7 and 8) as shown in Fig. 3. As shown in Fig. 8, these four bundle windows are indexed with a BWI from 00 to 11. In that sense, the eNB and the UE can know the A/N bits corresponding to each respective bundle window.
  • Figs. 9A and 9B illustrating A/N and BWI bit processing.
  • M is the bundle window size.
  • UL-DL Configuration 1 is merely being used to illustrate an example. Features as described herein may also be used with any of UL-DL Configurations 0-5.
  • A/N multiplexing with M greater than 1 such as subframe 2 and 7 shown in Fig. 8 for example.
  • Four generated A/N bits 52 may be modulated 54 to one 16QAM symbol 56.
  • the corresponding two-bit BWI 42 may be used to map 58 to one of four PUCCH resources 60; which may be derived by the lowest CCE index (nCCE) of each received PDCCH used for transmission of the corresponding DCI assignment.
  • the modulated symbol 56 may be transmitted on the PUCCH resource mapped by channel selection.
  • Each respect one of the four BWI may be respectively associated to one of the four PUCCH resources 60.
  • the two-bit BWI 42 may be used to channel selection (one of the four PUCCH resources 60), and the channel selection may be used to identify the two-bit BWI 42 at the eNB 12.
  • the UE upon detection of an explicit UE-common DCI for reconfiguration indication, the UE can clearly know the transmission direction of each subframe and then transmit the A/N bits corresponding to each bundle window to the eNB together with the information of bundle window index.
  • the eNB can know which DL subframe is correctly detected by the UE and which is not. The eNB may then transmit new data or retransmit the previous data according to the concrete A/N feedback.
  • This method can transmit the A/N feedback in the nearest available UL subframe from the UE .
  • Always using UL/DL configuration 5 as the DL reference configuration is not longer needed. In that sense, the RTT (round trip time) delay can be greatly reduced compared with always using UL/DL configuration 5 as the DL reference configuration.
  • Features as described herein allow the performance gain of dynamic TDD UL/DL reconfiguration to be obtained.
  • Features as described herein allow the large RTT delay caused by UL/DL configuration 5 as DL reference to be reduced.
  • Features as described herein further improve the DL performance gain.
  • an example method may comprise associating at least one bundle window index with at least one respective subframe of an uplink- downlink (UL-DL) configuration as indicated by block 20; and transmitting, for each respective at least one subframe, an ACK/NACK (A/N) indication and an indication of the at least one respective bundle window index as indicated by block 22.
  • UL-DL uplink- downlink
  • A/N ACK/NACK
  • the method may comprise generating each of the at least one bundle window index as a two bit indication based upon the at least one subframe of the UL-DL configuration being uplink (UL) subframe (s).
  • the method may comprise concatenating bits of one of the A/N indications with bits of one of the bundle window index.
  • the method may comprise modulating the bits to one 16QAM symbol.
  • the method may comprise mapping the symbol by a lowest CCE index (nCCE) of a last received Physical downlink control channel (PDCCH) used for transmission of a corresponding Downlink Control Information (DCI) assignment.
  • the method may comprise modulating bits of the A/N indication for each respective subframe to one Quadrature Amplitude Modulation (QAM) symbol.
  • QAM Quadrature Amplitude Modulation
  • the method may comprise mapping bits of the at least one bundle window index for each respective subframe to one of four Physical uplink control channel (PUCCH) resources.
  • the method may comprise transmitting comprises the modulated symbol being transmitted on the PUCCH resource mapped by channel selection.
  • the method may comprise transmitting occurs in a first subsequent uplink (UL) configuration subframe having a subframe number equal to greater than n+4, where n is a subframe number of the last downlink subframe in the corresponding bundle window.
  • UL uplink
  • An example embodiment may be provided in an apparatus comprising at least one processor; and at least one non-transitory memory including computer program code, the at least one memory and the computer program code configured to, with the at least one processor, cause the apparatus at least to associate at least one bundle window index with at least one respective subframe of an uplink-downlink (UL-DL) configuration; and transmit, for each respective at least one subframe, an ACK/NACK (A/N) indication and an indication of the at least one respective bundle window index.
  • UL-DL uplink-downlink
  • the at least one memory and the computer program code may be configured to, with the at least one processor, generate each of the at least one bundle window index as a two bit indication based upon the at least one subframe of the UL-DL configuration being uplink (UL) subframe (s) .
  • the at least one memory and the computer program code may be configured to, with the at least one processor, concatenate bits of one of the A/N indications with bits of one of the bundle window index.
  • the at least one memory and the computer program code may be configured to, with the at least one processor, modulate the bits to one 16QAM symbol.
  • the at least one memory and the computer program code may be configured to, with the at least one processor, map the symbol by a lowest CCE index (nCCE) of a last received Physical downlink control channel (PDCCH) used for transmission of a corresponding Downlink Control Information (DCI) assignment.
  • the at least one memory and the computer program code may be configured to, with the at least one processor, modulate bits of the A/N indication for each respective subframe to one Quadrature Amplitude Modulation (QAM) symbol.
  • QAM Quadrature Amplitude Modulation
  • the at least one memory and the computer program code may be configured to, with the at least one processor, map bits of the at least one bundle window index for each respective subframe to one of four Physical uplink control channel (PUCCH) resources.
  • PUCCH Physical uplink control channel
  • Transmitting may comprise the modulated symbol being transmitted on the PUCCH resource mapped by channel selection. Transmitting may occur in a first subsequent uplink (UL) configuration subframe having a subframe number equal to greater than n+4, where n is a subframe number of the last downlink subframe in the corresponding bundle window.
  • UL uplink
  • an apparatus comprising means to perform any of the described methods.
  • An example embodiment may be provided in non- transitory program storage device, such as 10B for example, readable by a machine, tangibly embodying a program of instructions executable by the machine for performing operations, the operations comprising associating at least one bundle window index with at least one respective subframe of an uplink-downlink (UL- DL) configuration; and transmitting, for each respective at least one subframe, a ACK/NACK (A/N) indication and an indication of the at least one respective bundle window index.
  • the operations may comprise at least one of
  • DCI Downlink Control Information
  • QAM Quadrature Amplitude Modulation
  • the computer readable medium may be a computer readable signal medium or a non-transitory computer readable storage medium.
  • a non-transitory computer readable storage medium does not include propagating signals and may be, for example, but not limited to, an electronic, magnetic, optical, electromagnetic, infrared, or semiconductor system, apparatus, or device, or any suitable combination of the foregoing.
  • the computer readable storage medium would include the following: an electrical connection having one or more wires, a portable computer diskette, a hard disk, a random access memory (RAM) , a read-only memory (ROM) , an erasable programmable read-only memory (EPROM or Flash memory) , an optical fiber, a portable compact disc read ⁇ only memory (CD-ROM) , an optical storage device, a magnetic storage device, or any suitable combination of the foregoing.

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  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

L'invention concerne un procédé qui consiste à associer au moins un index de fenêtres groupées avec au moins une sous-trame respective d'une configuration de liaison montante-liaison descendante (UL-DL); et à transmettre, pour chacune desdits au moins une sous-trame respective, une indication ACK/NACK (A/N) et une indication dudit au moins un index respectif de fenêtres groupées.
PCT/CN2013/088938 2013-12-10 2013-12-10 Synchronisation souple de harq WO2015085477A1 (fr)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2017075857A1 (fr) * 2015-11-06 2017-05-11 华为技术有限公司 Procédé de transmission d'informations, terminal et station de base
CN107046719A (zh) * 2016-02-05 2017-08-15 上海贝尔股份有限公司 用于减少时分双工的传输时延的方法、装置和系统
CN108306716A (zh) * 2017-01-13 2018-07-20 中国移动通信有限公司研究院 一种数据传输方法及数据传输装置
WO2021007740A1 (fr) * 2019-07-15 2021-01-21 海能达通信股份有限公司 Procédé et dispositif de mise en œuvre d'un mécanisme harq dans un réseau maillé sans fil

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2009134179A1 (fr) * 2008-04-28 2009-11-05 Telefonaktiebolaget L M Ericsson (Publ) Procédé et système mis en oeuvre dans un réseau de télécommunications avec signalisation des paquets de données attribués dans une fenêtre de regroupement
US20090323617A1 (en) * 2008-06-23 2009-12-31 Nokia Siemens Networks Method and apparatus for providing acknowledgment bundling

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2009134179A1 (fr) * 2008-04-28 2009-11-05 Telefonaktiebolaget L M Ericsson (Publ) Procédé et système mis en oeuvre dans un réseau de télécommunications avec signalisation des paquets de données attribués dans une fenêtre de regroupement
US20090323617A1 (en) * 2008-06-23 2009-12-31 Nokia Siemens Networks Method and apparatus for providing acknowledgment bundling

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2017075857A1 (fr) * 2015-11-06 2017-05-11 华为技术有限公司 Procédé de transmission d'informations, terminal et station de base
CN107046719A (zh) * 2016-02-05 2017-08-15 上海贝尔股份有限公司 用于减少时分双工的传输时延的方法、装置和系统
CN107046719B (zh) * 2016-02-05 2020-05-12 上海诺基亚贝尔股份有限公司 用于减少时分双工的传输时延的方法、装置和系统
CN108306716A (zh) * 2017-01-13 2018-07-20 中国移动通信有限公司研究院 一种数据传输方法及数据传输装置
CN108306716B (zh) * 2017-01-13 2020-04-14 中国移动通信有限公司研究院 一种数据传输方法及数据传输装置
WO2021007740A1 (fr) * 2019-07-15 2021-01-21 海能达通信股份有限公司 Procédé et dispositif de mise en œuvre d'un mécanisme harq dans un réseau maillé sans fil

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